You have to watch Denise's performance in King of masked singer, she showed her captivating and charming voice there and you also can watch Eric Nam podcast to know more about Denise's personality 😉
If you don't know, blackpink was originally planned to debut as 9 members girlgroup with the name pinkpunk, 4 of the member was the member of bp right now, 1 girl was in g-idle (Miyeon), 1 was Jinny from secret number, 1 was debuted in gg named Ark (but it was disbanded already), I'm not sure where the others girls right now but i heard they debuted as solo singer
Well, indonesian name wasn't usually that long, usually indonesian has 3 words name (it's still longer than most others foreign name tho, lol) But there's some that has 1, 2 or maybe 4 words (my name is 4 btw) there's no specific rules like family name or anything, For Dita case, "Anak Agung Ayu Puspa Aditya Karang" as you have known she has a Balinese royal blood from her father, so the name "Anak Agung Ayu" is a Title name given only to women that has that royal blood in Bali, then the "Puspa Aditya" was Yogyakarta/Javanese name that came from her mother, then "Karang" was her family name, *As i said, there's no rules on naming, most indonesian has no family name, but we can make it if we want
Please check out their dance performances if you'd like, they have 3: Medicine Kiss and make up All the good girls go to hell They are all pretty short, just 1+ minute long
I think there's another more recent guide video than that you've just watched. SN Helpful Guide (2021 version), pretty much the same but added with more infos.